{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection mechanisms in blockchain?","a":"Encryption algorithm: The data in blockchain uses encryption algorithms such as Elliptic Curve Cryptography (ECC) and SHA-256 to encrypt and decrypt data, ensuring the security of data  during transmission and storage."}]}],"pr":"99fd5f3cf2e5d80b6cae6b3eff0fc607c4ae0b5c1dcc3ad5ff00538218c82de4"}